25986379 has 2 divisors, whose sum is σ = 25986380. Its totient is φ = 25986378.

The previous prime is 25986371. The next prime is 25986403. The reversal of 25986379 is 97368952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25986379 - 2³ = 25986371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25986371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12993189 + 12993190.

It is an arithmetic number, because the mean of its divisors is an integer number (12993190).

Almost surely, 2^25986379 is an apocalyptic number.

25986379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25986379 is an equidigital number, since it uses as much as digits as its factorization.

25986379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 25986379 is about 5097.6836896771. The cubic root of 25986379 is about 296.1978642669.

The spelling of 25986379 in words is "twenty-five million, nine hundred eighty-six thousand, three hundred seventy-nine".